package com.wechat.wechat.service.impl;

import com.lly835.bestpay.enums.BestPayTypeEnum;
import com.lly835.bestpay.model.PayRequest;
import com.lly835.bestpay.model.PayResponse;
import com.lly835.bestpay.model.RefundRequest;
import com.lly835.bestpay.model.RefundResponse;
import com.lly835.bestpay.service.impl.BestPayServiceImpl;
import com.wechat.wechat.dto.OrderDTO;
import com.wechat.wechat.enums.ResultEnum;
import com.wechat.wechat.exception.SellException;
import com.wechat.wechat.service.OrderService;
import com.wechat.wechat.service.PayService;
import com.wechat.wechat.utils.JsonUtil;
import com.wechat.wechat.utils.MathUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * @author NN
 * @2020/2/25 18:41
 */
@Service
@Slf4j
public class PayServiceImpl implements PayService {
    private static final String ORDER_NAME="微信点餐订单";

    @Autowired
    private BestPayServiceImpl bestPayService;
    @Autowired
    private OrderService orderService;

    @Override
    public PayResponse create(OrderDTO orderDTO) {
        PayRequest payRequest = new PayRequest();
        payRequest.setOpenid(orderDTO.getBuyerOpenid());
        payRequest.setOrderAmount(orderDTO.getOrderAmount().doubleValue());
        payRequest.setOrderId(orderDTO.getOrderId());
        payRequest.setOrderName(ORDER_NAME);
        payRequest.setPayTypeEnum(BestPayTypeEnum.WXPAY_H5);
        log.info("【微信支付】 request={}", JsonUtil.toJson(payRequest));
        PayResponse payResponse=bestPayService.pay(payRequest);
        log.info("【微信支付】response={}",JsonUtil.toJson(payResponse));
        return payResponse;
    }

    @Override
    public PayResponse notify(String notifyData) {
        //1.验证签名
        //2.支付的状态 是否成功
        //3.支付金额
        //4.支付人（下单人==支付人）
        //1,2 sdk已经做了
        PayResponse payResponse=bestPayService.asyncNotify(notifyData);
        log.info("【微信支付】异步通知,payResponse={}",JsonUtil.toJson(payResponse));

        //1.查询订单
        OrderDTO orderDTO = orderService.findOne(payResponse.getOrderId());
        //2.判断订单是否存在
        if(orderDTO==null)
        {
            log.error("【微信支付】异步通知，订单不存在，orderId={}",payResponse.getOrderId());
            throw new SellException(ResultEnum.ORDER_NOT_EXIST);
        }
        //3.判断金额是否一致
        if(!MathUtil.equals(payResponse.getOrderAmount(),orderDTO.getOrderAmount().doubleValue()))
        {
            log.error("【微信支付】异步通知，订单金额不一致，orderId={},微信通知金额={},系统金额={}",
                    payResponse.getOrderId(),
                    payResponse.getOrderAmount(),
                    orderDTO.getOrderAmount());
            throw new SellException(ResultEnum.ORDER_NOT_EXIST);
        }

        //修改订单支付状态
        orderService.paid(orderDTO);
        return null;
    }

    @Override
    public RefundResponse refund(OrderDTO orderDTO) {
        RefundRequest refundRequest=new RefundRequest();
        refundRequest.setOrderId(orderDTO.getOrderId());
        refundRequest.setOrderAmount(orderDTO.getOrderAmount().doubleValue());
        refundRequest.setPayTypeEnum(BestPayTypeEnum.WXPAY_H5);

        log.info("【微信退款】 request={}", JsonUtil.toJson(refundRequest));
        RefundResponse refundResponse=bestPayService.refund(refundRequest);
        log.info("【微信退款】response={}",JsonUtil.toJson(refundResponse));
        return null;
    }
}
